Question

Given: x + 2 <-5.

Choose the solution set.
{XIXER,X<-7}
{XIXER,X<-3)
{XIXER,X<3)
© {XIXER,X<7)

Answer 1

We have

`x+2<-5`.

We can simplify this expression to

`x<-7`.

Which can be written as

`x\in(-\infty, -7)`

or

`x\in\{a\in\mathbb{R}\wedge a<-7\}`.

Hope this helps.